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首页> 美国政府科技报告 >Structural Effects on the Electrochemical Behavior of Redox Couples Incorporated in Electrode Coatings Prepared from Copolymers and Composites
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Structural Effects on the Electrochemical Behavior of Redox Couples Incorporated in Electrode Coatings Prepared from Copolymers and Composites

机译：共聚物和复合材料制备的电极涂层中氧化还原偶合电化学行为的结构效应

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Five new random vinyl copolymers were prepared and tested as coating materials for binding redox active ions to electrode surfaces. Three of the copolymers were polycationic because of quaternary nitrogen sites. Two uncharged copolymers were used to prepare polycationic coatings by mixing with selected homopolymers, poly(4-vinylpyridine); poly(N-vinyl-2-methylimidazole); poly(4-vinylbenzyldiethylamine), that became polycationic by protonation at the pH where they were employed (4.5). Coatings with the most attractive properties for incorporating and retaining Fe(CN)6 4- anions were prepared from mixtures of the polycationic copolymers with poly(4-vinylpyridine). The presence of alkyl benzyl either groups in the copolymers was shown to enhance their desirable properties as electrode coatings. Transmission electron micrographs of coatings revealed some correlation between their internal morphologies and their electrochemical behavior.

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